For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

Vehicle Care
California Proposition 65 WarningHood Primary and Secondary Latch Replacement
Preliminary Procedure
Remove the front bumper fascia. Refer to Front Bumper Fascia
Replacement.
Remove the radiator grille support reinforcement. Refer to Radiator
Grille Reinforcement Support Replacement.
Hood Primary and Secondary Latch Retainer Bolt (Qty: 2)
Caution: ...
Instrument Panel Lower Trim Pad Cover Replacement
Preliminary Procedure
Remove the left outer trim cover. Refer to Instrument Panel Outer Trim Cover
Replacement - Left Side.
Instrument Panel Lower Trim Pad Cover Screw (Qty: 3)
Caution: Refer to Fastener Caution in the Preface section.
Tighten
2.5 N·m (23 lb in)
Instrument Panel ...
Vehicle Messages
Messages displayed on the DIC indicate the status of the vehicle or some action
that may be needed to correct a condition. Multiple messages may display one after
the other.
The messages that do not require immediate action can be acknowledged and cleared
by pressing SET/CLR. The messages tha ...